Komatsu 730E Operation & Maintenance Manual page 119

OM4064 06/11
Lubrication and Service
500 HOUR LUBRICATION AND MAINTENANCE CHECKS (Continued)
Truck Serial Number______________________
Hourmeter_____________
11. WHEEL MOTOR OIL (Initial 500 hours only) -
Change or filter wheel motor gear oil only after initial
500 hours or operation. Wheel motor gear oil must be
filtered or changed every 2500 hours of operation
thereafter.
12. FRONT BRAKE DISC - Measure the thickness of the
disc. If 20 to 25% of the disc wear surface is worn
below 28.7 (1.13 in.), the disc must be replaced.
Refer to the shop manual, Parking Brake, Section J,
for additional information.
13 FRONT WHEELS - Take an oil sample of the front
wheel bearing oil. Refer to the Shop Manual, Section
G, for detailed instructions.
14 FRAME AND AXLE BOX INSPECTION - Wash the
truck, clean all of the weld joints, and visually inspect
the entire frame and axle box for cracking or damage.
Complete the 10, 50, 100, and 250 hour lubrication and maintenance checks.
Site Unit Number_______________
Name of Service Technician___________________________________
TASK
Maintenance - Section 40
Date_______________
COMMENTS CHECKED INITIALS
Page 40-13